Hence, many people complain- chainsaw bogs down when I give it gas . Let the chainsaw cool down if there's excessive smoke release or the chainsaw got heated up. The removal of the carburetor fuel line is very sensitive.Make drawings drawing on the lines connections to allow easy re-assembly. LancelotLawns said: I bought a stihl bg85 blower/vacuum two days ago. In case you have lost it, the majority of chainsaws follow the following gas: oil ratio. If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need. 20,427 satisfied customers. We may earn a small commission from affiliate links and paid advertisements. Take the appropriate screwdriver and align them. The fuel lines or ignition system may have beenaffected if the problems continue despite adjustment. Thank You for all replies. This causes your engines RPMs to increase to a set limit before decreasing. My Chainsaw Bogs Down When I Give It Gas; Causes and Solutions [2023]. If you experience low compression, pull the muffler and check the piston and cylinder for, Read More How Much Compression Should a Chainsaw HaveContinue, Collect a new fuel line, a pair of pliers, and a screwdriver. document.write('
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You can have as many as you wish
Chain-saw requires constant maintenance to be efficient. Make sure to take out the spark plug before removing the filter. A carburetor is a part of a combustion motor that mixes air and fuel in a specific ratio for combustion. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. The Low Speed is the setting I do 1st in or out a 1/4 turn to ensure no hesitation . Conclusion: Why Does My Chainsaw Bogs Down When I Give it Gas in 2023? The carburetor might need: A clean-up if it's clogged. Over time, the spark arrestor can become clogged with soot. If you observe any evidence of damage or wear on the air filter, I recommended to replace it. I think I am having the same problem with mine. Next, spray a carburetor cleaner into the throat of the carburetor on the side opposite the air filter and throttle linkage. And these issues can be solved if the problem is identified. Add your pre-measured oil to the container, Add your pre-measured gasoline AFTER (not before) your oil, Seal your fuel container and swirl, not shake, to thoroughly combine the oil and gasoline, Once properly mixed, your gas and oil mixture will be evenly colored with no variegated streaks, Check your owners manual to locate your chainsaws air filter, Your chainsaws air filter should be visible at this point and can be easily removed from its housing with a screwdriver, After removing the air filter, wash it in soapy water and scrub with a soft-bristle brush until clean, Allow your air filter to dry thoroughly before replacing it in your chainsaw, Make sure that your chainsaw is off and cool (Heat isnt your friend here! Why doesmy Chainsaw Startand then Stop. The spark arrestor is a small screen that prevents the engine from emitting sparks. Dont forget that a maintained chainsaw is a working chainsaw! Bog down is straight-up the most infuriating issue when using a chainsaw. If the saw drops at full throttle, not enough gas or air is reaching that chamber. Check the edges of the bar for burs and file off if needed. My Chainsaw Bogs Down When I Give It Gas: Why? | Obsessed Lawn Tighten the idle screw with a screwdriver to fix this and see whether the engine RPMs rise. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1"
Dealing with a carburetor requires strict guidelines to be followed. myimages[2]="../../../images/top-banner/BladesFreeShip.jpg"
No Power at Full Throttle on My Stihl MS 170 | eHow Remove the Cutting Bar - This is probably one of the easiest steps in taking your chainsaw apart because there are only two bolts that need to be loosened before removing the bar completely. Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. STIHL Chainsaws FAQs | STIHL Product FAQs - STIHL - The Number One Start the chainsaw for a few seconds to make sure the carburetor is functioning correctly.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-large-leaderboard-2','ezslot_10',158,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-large-leaderboard-2-0'); To unclog a chainsaw carburetor, youll need to thoroughly clean the carburetor and replace the air filter. The above answer may be brief, but I will explain it in more detail, including how to fix a chainsaw that wont start. If any part of that ratio is off (as previously mentioned), your chainsaw will experience a lag in performance. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. The consent submitted will only be used for data processing originating from this website. My name is Chris Ross. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. He tests chainsaws based on
The one that is often damaged by compressed air is the one inside the high speed nozzle. Then, disconnect the old fuel line from the, Read More How to Replace Fuel Lines on a Poulan ChainsawContinue, Pull out your battery from the chainsaw, and press the battery button sustainably for a minimum of 5 seconds before you release it. I. on Chainsaws. For a detailed answer, read the causes section above. This article thus covers all causes and solutions to why does my chainsaw bogs down when I give it gas problem below: In a chainsaw both fuel starvation or termination of the connection between carburetor and engine can lead to a bog down. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. I have replaced the spark plug (properly gapped), rebuilt the carb, replaced the fuel line and the fuel filter, cleaned out the chain brake and the clutch and cleaned the fuel tank air pressure stabilizing valve. Its all about adjusting the carburetor, and a slight change in the orientation can lead to Chainsaws Bog. A well-maintained chain-saw seldom stalls. Does Your Chainsaw Bogs Down When You Give It Gas? Here's What You Got The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. Check the brake band for wear and tear. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. Clogging usually occurs due to long working hours. A Stihl chainsaw can bog down for a variety of reasons. These are the low-speed screw (L), the idle screw (I), and the high-speed screw (H). Consult the user manual for the right ratio of gas to oil. Found the problem. Locate all the screws on the carburetor and check if they are all aligned. 1. There are a number of carburetor-related problems. The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. Besides the screw setting, check and ensure that the spark plug is in working condition and that the carburetor and fuel jets are properly serviced.
Inspect the fuel line condition. What Would Cause a STIHL Trimmer to Not Start? No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. Chainsaw Bogging with throttle pressure - Hearth.com Forums Home L and H on your chainsaw. Technician. Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. Check the tension and condition of your chain. Ok I think I can share the pics from this site. How to Prevent Your Chainsaw from Bogging Down, How Much Compression Should a Chainsaw Have, How to Replace Fuel Lines on a Poulan Chainsaw, How To Reset Echo 58-Volt Battery Charger, Chainsaw Too Much Compression: Causes & Solution. I have replaced the spark plug (properly gapped), rebuilt the carb, replaced the fuel line and the fuel filter, cleaned out the chain brake and the clutch and cleaned the fuel tank air pressure stabilizing valve. Take them out and clean them using a delicate brush. It runs fine at all other times, cuts well and has good power. It has a new spark plug, clean air filter, n Chainsaw bogs down in cut in Chainsaws Have a Stihl 441 that starts and idles fine and even start cutting. if (ry==0)
This dirt and debris can build up and create a clog. Why Does My Chainsaw Bog Down When Cutting? (Causes + Solutions) Always clean the outside of your chainsaw after using it to remove any dust or debris that may be present. Adjusting the H screw will help achieve optimal performance. The inability to reach full power during a full-throttle trigger is also a sign of bogging down. Chainsaw bogs down in cut in Chainsaws - forestryforum.com The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. Even with the tiniest passage, it can make its way towards anything, including a spark arrestor and spark plug. You are using an out of date browser. myimages2[3]="../../../images/top-banner/behindtheforum.jpg"
If the chain is loose or dull it may result in the saw not having enough power to keep running. I read on here the other day some carbs can be damaged with compressed air.That would explain why sometimes they cant be fixed maybe the air is ruining something like a check valve I will wait for the masters to chime in on that.
If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. (Even After Sharpening). Why does the chainsaw bog down at full throttle? Carb. Firstly, what instigates the chainsaw Bog down? The location of the fuel filter on a Poulan chainsaw varies depending on the model. (Why You Might Not Want to), Why Wont My Chainsaw Cut? The engine boggs down under a load and when just reving the saw. //specify corresponding links below
These deposits affect the engines operation and may cause your chainsaw not to start. The imbalance of these components is one of the major reasons for bogging down. If you have recently bought the saw or it has been sitting for a while and not used, the best option would be to clean the carburetor and set it according to the factory specs. No particular problem restarting. He pledges to come up with new knowledge about chainsaws every once in a while. When a clog occurs, your engine will not get enough air to operate effectively. Hello, and thanks for visiting my site! Loosening the screw, on the other hand, enriches the mixture with gasoline and lowers the RPMs to a set limit. Try to make the right call based on the cost and gravity of the issue. I have a MS250 that's only two years old and has barely been used. I'm having trouble with my Stihl MS180 C-BE chainsaw. Garden Tool Expert You may have to look beneath the air filter or in the Users Manual for your saws model number. By a silver star and you can post unlimited pictures. Look over all cables, connections, nuts, and screws to ensure that they are not damaged and need replacement. Your email address will not be published. Your email address will not be published. Updated: 00/04/25
I have never worked on anything this saw. */
The L screw controls how much fuel enters the carburetor at low speed, whereas the H screw controls how much gasoline flows into the carb at high speed. Also cleaned muffler and replaced spark arrestting screen.All with no luck. You must locate the perfect setting at which the engine won't stop once the throttle is applied. I have never worked on anything this small. Inspect the spark plug and replace it if necessary. Next, check the spark plug to make sure it is clean and properly connected. Over time, the spark arrestor can become clogged with soot. They all come with their fair share of technical issues. A chainsaw is a tool, and no tool is perfect. Answer: Yes, a chainsaw can bog down if gas is supplied to it. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. They are Sthil chains. Furthermore, the arrestor screen that catches the spark at the exhaust port is prone to carbon deposits. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. Check the fuel hose, famous for cracking. . 453 S Spring St Ste 400 I have cleaned the air filter, replaced the fuel filter to no effect. keep cutting with precision and efficiency. Stihl Chainsaw Bogs Down When I Give It Gas The Job of the Carburetor Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. var myimages=new Array()
The most common causes of a chainsaw bogging down include: Incorrect fuel mixture Dirty carburetor Clogged air filter Dirty fuel filter or fuel lines A combustion system depends on a proper mix of gas, oil, and air. Chain filing isnt a difficult task and is crucial in maintaining your chainsaw. To remove it you need to depress a small tab and slide the fuel line off. I just worked on my grandpa's ms 192t. This can be quite annoying, especially when you have loads of work piled up and a mechanic isnt available. Following are the must-performed maintenance to prevent unwanted bog down. //-->. This handy guide will cover the common problems that cause bog down and how you can keep it from happening in the future. However, if you decide to clean your carburetor use a thinner to clean the gum buildup.Ensure the important plastic parts are removed due to the thinners ability to dissolve plastics. Test your stop switch to make sure that it completely stops the motor. First, youll need to pull out your reading glasses and take a look at your chainsaws owners manual. Fix your Lawnmower with our Lawnmower Troubleshooting tool. We pulled out the carb and opened it up, and the check valve looked perfect and everything was as clean and shiny as you'd expect a basically brand new saw to look. Use a starting fluid and letting it run flushes gunk out of the jets as an alternative to rebuilding the carburetor. Stihl MS250 dies when I give it gas. | Arborist, Chainsaw & Tree Work Forum The ignition system is essentially a spark plug. It has a new spark plug, clean air filter, n Welcome, Guest. After this, check the air filter and carburetor for dirt and debris. A dirty carburetor is likely to cause Chainsaw Bog.In this case, the speed of the chainsaw will dwindle a great deal.Dirt in the spark arrestor or air filter can also cause the chainsaw to bog. If the drive belt is worn or broken, replace it with a new one as soon as possible. I think I am having the same problem with mine. After a little looking, the two nuts that hold the back of the carb and filter housing were loose, I tightened them up and it ran like a top. Check for any fuel leaks from the motor, fuel tank, or fuel lines. Why Does My Chainsaw Bogs Down When I Give it Gas? 5 Causes This is done by turning the air screw in either direction, depending on the engines response. Replace it if the quality has deteriorated. Other potential causes of bogging may include a spark plug that needs replacing, fuel that has gone bad, incorrect fuel-oil mixture, chain that is too tight, or even an over-revved engine. I would suggest that in the first instance the carburetor settings are checked. If you need, Read More Stihl chainsaw break inContinue, Carbon build-up in cylinder & piston, bad needle bearing, overused starter spring, oil in the starter system, old or bad fuel, etc can cause too much compression in Chainsaws. Follow the re-assembly instructions which are usually supplied with the carburetor kit (Assuming all the jet screws and small parts are accounted for).Alternatively, you can use professional help.Usually, after thorough cleaning of the carburetor and filters, your stalling issues should disappear.However, if the problem persists you may need to enlist the help of a professional. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_20',165,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_21',165,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0_1');.leader-4-multi-165{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}Adjusting the carburetor on a Craftsman chainsaw is a relatively simple process, but there are several steps youll need to follow. Most manufacturers do not recommend adjusting the tuning of your chainsaws carburetor outside the hands of a trained professional. It will start up with some work, but it idles for a couple seconds then dies most of the time, and when it doesn't die on its own, it dies when I try to give it any gas. Furthermore, its possible that the carburetor is not getting the right amount of fuel, so its important to check the fuel lines and adjust the carburetor accordingly. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. Why Does My Chainsaw Bog Down When I Give It Gas? Stihl carburetors have three adjustment screws. If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. Chainsaw Bogs Down When Cutting Before you adjust the high-speed screw on the carburetor -- which the manufacturer discourages -- it's important to clean the air filter and the spark arrestor. STIHL 026 Bogging Down | Homesteading Forum Curtis B. The best/easiest way to do this is to poor some motor oil on the outside of the crankshaft and then also fill the engine with motor oil. The remedy is to close the screw, but closing it too far is dangerous for the engine. var myimages2=new Array()
Stihl BG85 blower | Lawn Care Forum Remove the air filter from its housing using a screwdriver. Why does my Stihl chainsaw bog down when I give it gas?
All internal or external factors that reduce the supply of combustible air causes bogging down. Taking all of these potential issues into account and fixing them as needed should help to correct the issue and get your chainsaw running properly. Here is a visual troubleshoot guide by Foxboss9 discussing the bogging issues and their solution: A Husqvarna chainsaw bogs down due to a clogged air filter or spark arrester. Continue with Recommended Cookies. This helps identify the compression. Frustrating, right? Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. It should be the first thing to check and clean. When the L or idle screws are not properly set, the idle RPMs fall too low, causing the engine to stalland eventually stop. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. Chainsaw bogs on full throttle - OutdoorKing Repair Forum myimages2[1]="../../../images/top-banner/behindtheforum.jpg"
As a result, the fuel drawn by the carburetor reduces, causing the engine to stop running. The reason could be that you are using the Stihl saw at an altitude, or the carburetor adjustment might have slipped and required fixing. You can work on it directly using a carburetor adjustment tool. my elevation is 640' above sea level. It's looking a little tricky to me. Bogging down is a universally hated issue by everyone and anyone who uses a chainsaw. Turning it clockwise will increase fuel flow, and turning it counterclockwise will reduce fuel flow. It could even bog down when given gas. The carburetor must be maintained, but first, check that your engines filters are thoroughly cleaned. The air supply is equally as important as fuel for a combustion engine. Find the screw to adjust the idle speed. Get a carburetor repair kit before you begin clearing the blocked jets. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation??
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